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Our Block-In-Block design uses a taller adaptable inner block to pierce the ground and claw for traction
5” rear wheel allows for a short chainstay and super responsive behavior
and clothes from getting too close to the moving wheel and chain
The S-Works Stumpjumper frame is the perfect starting point for you to envision your own interpretation of the Ultimate Trail Bike
we didn’t spend a single extra gram to get mega capability from the frame
Aethos 2 Pro Di2 COLOR:Gloss Red Sky / Chrome Our Block-In-Block design uses aWith a 705g frame, the Aethos 2 is the lightest bike in its class . But weight was never the point. Built by breaking racing's rules to deliver pure road riding bliss, it's engineered to disappear beneath you: responsive, supple, and sublime. Now with increased tire clearance, refined components, and data based fit enhancing geometry, it brings that transcendent ride feel to more riders than ever. Aethos 2 breaks the rules, for the love of the ride.